vlt.math.pts2line¶
  PTS2LINE - Create a 2D line from 2 points
  [M,B] = vlt.math.pts2line(X1Y1, X2Y2)
  Returns slope (M) and offset (B) of a line through 2 2-d points.
  See also: vlt.math.ptontoline
  PTS2LINE - Create a 2D line from 2 points
  [M,B] = vlt.math.pts2line(X1Y1, X2Y2)
  Returns slope (M) and offset (B) of a line through 2 2-d points.
  See also: vlt.math.ptontoline